.page-products {
  --node-tilt: -1deg;
  --node-skew: -2deg;
  --card-radius: 12px;
}

.page-products .breadcrumbs {
  font-family: var(--font-meta);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.page-products .breadcrumbs a {
  color: var(--color-accent);
  text-decoration: none;
}
.page-products .breadcrumbs a:hover {
  text-decoration: underline;
}
.page-products .page-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

/* 技能树容器 */
.page-products .skill-tree {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 中心节点 */
.page-products .tree-center {
  background: var(--color-light);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-medium);
  border-left: 6px solid var(--color-primary);
  position: relative;
  z-index: 2;
}
.page-products .tree-center h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}
.page-products .tree-center p {
  margin-bottom: 1.25rem;
  line-height: 1.6;
  color: var(--color-text);
}
.page-products .tree-center a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-products .tree-center a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* 版本对比卡片 */
.page-products .version-compare {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.page-products .version-card {
  flex: 1 1 280px;
  background: var(--color-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: box-shadow var(--transition-normal);
}
.page-products .version-card:hover {
  box-shadow: var(--shadow-medium);
}
.page-products .version-card h3 {
  font-family: var(--font-meta);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  margin: 0;
  background: var(--color-secondary);
  color: var(--color-light);
}
.page-products .version-card.old h3 {
  background: var(--color-text-muted);
}
.page-products .version-card.new h3 {
  background: var(--color-primary);
}
.page-products .version-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

/* 周边节点容器 */
.page-products .tree-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

/* 单个节点卡片 */
.page-products .tree-node {
  flex: 1 1 280px;
  max-width: 360px;
  background: var(--color-light);
  padding: 1.5rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-light);
  transform: rotate(var(--node-tilt)) skewX(var(--node-skew));
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
  border-top: 5px solid transparent;
  position: relative;
  overflow: hidden;
}
.page-products .tree-node:hover {
  transform: rotate(0deg) skewX(0deg) scale(1.02);
  box-shadow: var(--shadow-medium);
}
.page-products .node-history {
  border-top-color: var(--color-primary);
}
.page-products .node-history:hover {
  border-top-color: #e55d14;
}
.page-products .node-lineup {
  border-top-color: var(--color-accent);
}
.page-products .node-lineup:hover {
  border-top-color: #0099cc;
}
.page-products .node-rankings {
  border-top-color: var(--color-success);
}
.page-products .node-rankings:hover {
  border-top-color: #1e8a3a;
}

.page-products .tree-node .node-icon {
  margin-bottom: 1rem;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-secondary);
}
.page-products .tree-node .node-icon img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}
.page-products .tree-node h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}
.page-products .tree-node p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 1rem;
}
.page-products .tree-node .btn-outline {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-products .tree-node .btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-light);
}

/* 平台兼容区 */
.page-products .platform-compatibility {
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}
.page-products .platform-compatibility h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  margin-bottom: 1rem;
  color: var(--color-dark);
}
.page-products .platform-compatibility p {
  line-height: 1.6;
  color: var(--color-text);
  max-width: 720px;
  margin-bottom: 1.5rem;
}
.page-products .compatibility-devices {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: flex-end;
}
.page-products .device-mockup {
  background: var(--color-secondary);
  padding: 0.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
}
.page-products .device-mockup img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
}
.page-products .device-mockup.mobile {
  max-width: 220px;
}
.page-products .device-mockup.desktop {
  max-width: 520px;
}
.page-products .platform-compatibility a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.page-products .platform-compatibility a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* 响应式：桌面端强化放射布局 */
@media (min-width: 768px) {
  .page-products .skill-tree {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
  }
  .page-products .tree-center {
    grid-column: 2 / 4;
    grid-row: 1 / 2;
    padding: 2.5rem;
  }
  .page-products .tree-nodes {
    grid-column: 1 / 5;
    grid-row: 2 / 3;
    display: flex;
    justify-content: center;
    gap: 2rem;
  }
  .page-products .tree-node {
    flex: 0 1 320px;
    max-width: 340px;
  }
  .page-products .compatibility-devices {
    justify-content: flex-start;
  }
}

@media (min-width: 1024px) {
  .page-products .skill-tree {
    margin-bottom: 4rem;
  }
  .page-products .tree-center {
    padding: 3rem;
  }
}